How to feel refreshed even after too little sleep - and why you MUST have an afternoon nap. Never wake up tired again. Secret to waking up refreshed is to work out your sleep in 90 minute cyclesNapping will improve your memory, reaction time, and productivityProfessor Richard Wiseman says napping 'may even save your life'PLUS: How to stop snoring forever!

By Professor Richard Wiseman Published: 23:43 BST, 23 March 2014 | Updated: 12:31 BST, 24 March 2014 If you follow Professor Richard Wiseman's tips, you could become a 'super sleeper' and never wake up tired again Insomnia is the modern malaise. But in a new book, Professor Richard Wiseman explains the simple techniques you can use to get the sleep you need. We are now living in a world that never sleeps. In the 1980s, a scientist from the University of Chicago conducted perhaps the best-known, and most disturbing, study into the topic. He and his colleagues wired up a group of rats to a machine that measured their brain activity, and then placed each of the animals on a stationary disc above a bowl of water. Scroll down for video Avoid the temptation. 1.
Cámaras de vigilancia. 10 películas anarquistas imperdibles. El anarquismo suele ser pensado como una postura que aboga por el caos, la destrucción y el sinsentido, acusaciones infundadas, pues se trata precisamente de lo contrario.